127841664 has 32 divisors (see below), whose sum is σ = 339580440. Its totient is φ = 42613760.

The previous prime is 127841641. The next prime is 127841689. The reversal of 127841664 is 466148721.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166077 + ... + 166844.

Almost surely, 2^127841664 is an apocalyptic number.

It is an amenable number.

127841664 is an abundant number, since it is smaller than the sum of its proper divisors (211738776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

127841664 is an equidigital number, since it uses as much as digits as its factorization.

127841664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332938 (or 332926 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 127841664 is about 11306.7088049529. The cubic root of 127841664 is about 503.7605312364.

The spelling of 127841664 in words is "one hundred twenty-seven million, eight hundred forty-one thousand, six hundred sixty-four".